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A multistage methodology catering to different failure modes for estimating the failure intensity of software:an empirical study

机译:评估不同故障模式的软件故障强度的多阶段方法:一项实证研究

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摘要

Managing and measuring software reliability is one of the important problems in the software industry. Software reliability measurement issue becomes complex where the software experiences multiple failure modes. In reality, the complexity involved in reliability computation is dependent upon several factors, among them the most relevant ones are related to the failure process and how the failure is corrected. A study conducted in a software company revealed that, while testing the software product, certain types of failures are corrected while the test program is in progress and the others are corrected only at the end of the test program. The company wanted to estimate the failure intensity and the overall mean time between failures, taking into account the realities of the business practice in vogue. A methodology was proposed to meet this requirement and was tested using the data provided by the company. The details of the method in terms of the steps involved and how the method was used are presented in this paper.
机译:管理和衡量软件的可靠性是软件行业中的重要问题之一。当软件遇到多种故障模式时,软件可靠性度量问题变得复杂。实际上,可靠性计算中涉及的复杂性取决于几个因素,其中最相关的因素与故障过程以及如何纠正故障有关。一家软件公司进行的一项研究表明,在测试软件产品时,某些类型的故障会在测试程序进行过程中得到纠正,而其他一些故障则只能在测试程序结束时得到纠正。该公司希望考虑到流行的业务实践的实际情况,估计故障强度和两次故障之间的平均总时间。提出了一种满足此要求的方法,并使用该公司提供的数据进行了测试。本文介绍了该方法的详细信息,包括涉及的步骤以及如何使用该方法。

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